/*
 * R2XView.java
 */

package r2x;

import java.awt.Color;
import org.jdesktop.application.Action;
import org.jdesktop.application.ResourceMap;
import org.jdesktop.application.SingleFrameApplication;
import org.jdesktop.application.FrameView;
import org.jdesktop.application.TaskMonitor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.Timer;
import javax.swing.Icon;
import javax.swing.JDialog;
import javax.swing.JFrame;

/**
 * The application's main frame.
 */
public class R2XView extends FrameView {

    private static String connectButtonText = "Connect to DB";
    private static String disconnectButtonText = "Disconnect from DB";
    private static String connectedStatusLabel = "Connected to DB";
    private static String disconnectedStatusLabel = "Not connected to DB";
    private static String connectionFailOutText = "Could not connect to the Database\n";
    private static String connectionSuccessOutText = "Database connection established\n";
    private static String disconnectionSuccessOutText = "Disconnected succesfully\n";
    private static String disconnectionFailOutText = "Could not disconnect from the DB... weired...\n";

    private SelectDatabaseFrame databaseFrame;
    private SelectOutputFrame selectOutputFrame;
    private HelpFrame helpFrame;

    public R2XView(SingleFrameApplication app) {
        super(app);

        initComponents();
        connectButton.setText(connectButtonText);
        connectionStatusLabel.setText(disconnectedStatusLabel);
        // status bar initialization - message timeout, idle icon and busy animation, etc
        ResourceMap resourceMap = getResourceMap();
        int messageTimeout = resourceMap.getInteger("StatusBar.messageTimeout");
        messageTimer = new Timer(messageTimeout, new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                statusMessageLabel.setText("");
            }
        });
        messageTimer.setRepeats(false);
        int busyAnimationRate = resourceMap.getInteger("StatusBar.busyAnimationRate");
        for (int i = 0; i < busyIcons.length; i++) {
            busyIcons[i] = resourceMap.getIcon("StatusBar.busyIcons[" + i + "]");
        }
        busyIconTimer = new Timer(busyAnimationRate, new ActionListener() {
            public void actionPerformed(ActionEvent e) {
                busyIconIndex = (busyIconIndex + 1) % busyIcons.length;
                statusAnimationLabel.setIcon(busyIcons[busyIconIndex]);
            }
        });
        idleIcon = resourceMap.getIcon("StatusBar.idleIcon");
        statusAnimationLabel.setIcon(idleIcon);
        progressBar.setVisible(false);

        // connecting action tasks to status bar via TaskMonitor
        TaskMonitor taskMonitor = new TaskMonitor(getApplication().getContext());
        taskMonitor.addPropertyChangeListener(new java.beans.PropertyChangeListener() {
            public void propertyChange(java.beans.PropertyChangeEvent evt) {
                String propertyName = evt.getPropertyName();
                if ("started".equals(propertyName)) {
                    if (!busyIconTimer.isRunning()) {
                        statusAnimationLabel.setIcon(busyIcons[0]);
                        busyIconIndex = 0;
                        busyIconTimer.start();
                    }
                    progressBar.setVisible(true);
                    progressBar.setIndeterminate(true);
                } else if ("done".equals(propertyName)) {
                    busyIconTimer.stop();
                    statusAnimationLabel.setIcon(idleIcon);
                    progressBar.setVisible(false);
                    progressBar.setValue(0);
                } else if ("message".equals(propertyName)) {
                    String text = (String)(evt.getNewValue());
                    statusMessageLabel.setText((text == null) ? "" : text);
                    messageTimer.restart();
                } else if ("progress".equals(propertyName)) {
                    int value = (Integer)(evt.getNewValue());
                    progressBar.setVisible(true);
                    progressBar.setIndeterminate(false);
                    progressBar.setValue(value);
                }
            }
        });
    }

    @Action
    public void showAboutBox() {
        if (aboutBox == null) {
            JFrame mainFrame = R2XApp.getApplication().getMainFrame();
            aboutBox = new R2XAboutBox(mainFrame);
            aboutBox.setLocationRelativeTo(mainFrame);
        }
        R2XApp.getApplication().show(aboutBox);
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        mainPanel = new javax.swing.JPanel();
        jScrollPane1 = new javax.swing.JScrollPane();
        outTextArea = new javax.swing.JTextArea();
        goButton = new javax.swing.JButton();
        connectButton = new javax.swing.JButton();
        connectionStatusLabel = new javax.swing.JLabel();
        clearButton = new javax.swing.JButton();
        menuBar = new javax.swing.JMenuBar();
        javax.swing.JMenu fileMenu = new javax.swing.JMenu();
        jMenuItem2 = new javax.swing.JMenuItem();
        javax.swing.JMenuItem exitMenuItem = new javax.swing.JMenuItem();
        jMenu1 = new javax.swing.JMenu();
        jMenuItem1 = new javax.swing.JMenuItem();
        javax.swing.JMenu helpMenu = new javax.swing.JMenu();
        jMenuItem3 = new javax.swing.JMenuItem();
        javax.swing.JMenuItem aboutMenuItem = new javax.swing.JMenuItem();
        statusPanel = new javax.swing.JPanel();
        javax.swing.JSeparator statusPanelSeparator = new javax.swing.JSeparator();
        statusMessageLabel = new javax.swing.JLabel();
        statusAnimationLabel = new javax.swing.JLabel();
        progressBar = new javax.swing.JProgressBar();

        mainPanel.setName("mainPanel"); // NOI18N

        jScrollPane1.setName("jScrollPane1"); // NOI18N

        outTextArea.setColumns(20);
        outTextArea.setEditable(false);
        org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(r2x.R2XApp.class).getContext().getResourceMap(R2XView.class);
        outTextArea.setFont(resourceMap.getFont("outTextArea.font")); // NOI18N
        outTextArea.setRows(5);
        outTextArea.setName("outTextArea"); // NOI18N
        jScrollPane1.setViewportView(outTextArea);

        goButton.setFont(resourceMap.getFont("goButton.font")); // NOI18N
        goButton.setForeground(resourceMap.getColor("goButton.foreground")); // NOI18N
        goButton.setText(resourceMap.getString("goButton.text")); // NOI18N
        goButton.setName("goButton"); // NOI18N
        goButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                goButtonActionPerformed(evt);
            }
        });

        connectButton.setText(resourceMap.getString("connectButton.text")); // NOI18N
        connectButton.setName("connectButton"); // NOI18N
        connectButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                connectButtonActionPerformed(evt);
            }
        });

        connectionStatusLabel.setForeground(resourceMap.getColor("connectionStatusLabel.foreground")); // NOI18N
        connectionStatusLabel.setText(resourceMap.getString("connectionStatusLabel.text")); // NOI18N
        connectionStatusLabel.setName("connectionStatusLabel"); // NOI18N

        clearButton.setText(resourceMap.getString("clearButton.text")); // NOI18N
        clearButton.setName("clearButton"); // NOI18N
        clearButton.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                clearButtonActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout mainPanelLayout = new javax.swing.GroupLayout(mainPanel);
        mainPanel.setLayout(mainPanelLayout);
        mainPanelLayout.setHorizontalGroup(
            mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(mainPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 380, Short.MAX_VALUE)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, mainPanelLayout.createSequentialGroup()
                        .addComponent(connectButton)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 186, Short.MAX_VALUE)
                        .addComponent(goButton))
                    .addGroup(mainPanelLayout.createSequentialGroup()
                        .addComponent(connectionStatusLabel)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 191, Short.MAX_VALUE)
                        .addComponent(clearButton)))
                .addContainerGap())
        );
        mainPanelLayout.setVerticalGroup(
            mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, mainPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 194, Short.MAX_VALUE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(connectionStatusLabel)
                    .addComponent(clearButton))
                .addGap(18, 18, 18)
                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(goButton)
                    .addComponent(connectButton))
                .addGap(9, 9, 9))
        );

        menuBar.setName("menuBar"); // NOI18N

        fileMenu.setText(resourceMap.getString("fileMenu.text")); // NOI18N
        fileMenu.setName("fileMenu"); // NOI18N
        fileMenu.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                fileMenuActionPerformed(evt);
            }
        });

        jMenuItem2.setText(resourceMap.getString("jMenuItem2.text")); // NOI18N
        jMenuItem2.setName("jMenuItem2"); // NOI18N
        jMenuItem2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem2ActionPerformed(evt);
            }
        });
        fileMenu.add(jMenuItem2);

        javax.swing.ActionMap actionMap = org.jdesktop.application.Application.getInstance(r2x.R2XApp.class).getContext().getActionMap(R2XView.class, this);
        exitMenuItem.setAction(actionMap.get("quit")); // NOI18N
        exitMenuItem.setName("exitMenuItem"); // NOI18N
        exitMenuItem.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                exitMenuItemActionPerformed(evt);
            }
        });
        fileMenu.add(exitMenuItem);

        menuBar.add(fileMenu);

        jMenu1.setText(resourceMap.getString("jMenu1.text")); // NOI18N
        jMenu1.setName("jMenu1"); // NOI18N
        jMenu1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenu1ActionPerformed(evt);
            }
        });

        jMenuItem1.setText(resourceMap.getString("jMenuItem1.text")); // NOI18N
        jMenuItem1.setName("jMenuItem1"); // NOI18N
        jMenuItem1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem1ActionPerformed(evt);
            }
        });
        jMenu1.add(jMenuItem1);

        menuBar.add(jMenu1);

        helpMenu.setText(resourceMap.getString("helpMenu.text")); // NOI18N
        helpMenu.setName("helpMenu"); // NOI18N

        jMenuItem3.setText(resourceMap.getString("jMenuItem3.text")); // NOI18N
        jMenuItem3.setName("jMenuItem3"); // NOI18N
        jMenuItem3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jMenuItem3ActionPerformed(evt);
            }
        });
        helpMenu.add(jMenuItem3);

        aboutMenuItem.setAction(actionMap.get("showAboutBox")); // NOI18N
        aboutMenuItem.setName("aboutMenuItem"); // NOI18N
        helpMenu.add(aboutMenuItem);

        menuBar.add(helpMenu);

        statusPanel.setName("statusPanel"); // NOI18N

        statusPanelSeparator.setName("statusPanelSeparator"); // NOI18N

        statusMessageLabel.setName("statusMessageLabel"); // NOI18N

        statusAnimationLabel.setHorizontalAlignment(javax.swing.SwingConstants.LEFT);
        statusAnimationLabel.setName("statusAnimationLabel"); // NOI18N

        progressBar.setName("progressBar"); // NOI18N

        javax.swing.GroupLayout statusPanelLayout = new javax.swing.GroupLayout(statusPanel);
        statusPanel.setLayout(statusPanelLayout);
        statusPanelLayout.setHorizontalGroup(
            statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(statusPanelSeparator, javax.swing.GroupLayout.DEFAULT_SIZE, 400, Short.MAX_VALUE)
            .addGroup(statusPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addComponent(statusMessageLabel)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 230, Short.MAX_VALUE)
                .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(statusAnimationLabel)
                .addContainerGap())
        );
        statusPanelLayout.setVerticalGroup(
            statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(statusPanelLayout.createSequentialGroup()
                .addComponent(statusPanelSeparator, javax.swing.GroupLayout.PREFERRED_SIZE, 2, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(statusMessageLabel)
                    .addComponent(statusAnimationLabel)
                    .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(3, 3, 3))
        );

        setComponent(mainPanel);
        setMenuBar(menuBar);
        setStatusBar(statusPanel);
    }// </editor-fold>//GEN-END:initComponents

    private void connectButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_connectButtonActionPerformed
        if (connectButton.getText().equals(connectButtonText)){
            //establishing connection
            if (R2XApp.getApplication().getDbManager().establishConnection()){
                outTextArea.append(connectionSuccessOutText);
                connectionStatusLabel.setForeground(Color.GREEN);
                connectionStatusLabel.setText(connectedStatusLabel);
                connectButton.setText(disconnectButtonText);
                return;
            }
            else {
                outTextArea.append(connectionFailOutText);
                connectionStatusLabel.setForeground(Color.RED);
                connectionStatusLabel.setText(disconnectedStatusLabel);
                return;
            }
        } else{
            //closing connection
            if (R2XApp.getApplication().getDbManager().closeConnection()){
                outTextArea.append(disconnectionSuccessOutText);
                connectionStatusLabel.setForeground(Color.RED);
                connectionStatusLabel.setText(disconnectedStatusLabel);
                connectButton.setText(connectButtonText);
                return;
            } else {
                outTextArea.append(disconnectionFailOutText);
                connectionStatusLabel.setForeground(Color.GREEN);
                connectionStatusLabel.setText(connectedStatusLabel);
                return;
            }
        }

    }//GEN-LAST:event_connectButtonActionPerformed

    private void clearButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_clearButtonActionPerformed
        outTextArea.setText("");
    }//GEN-LAST:event_clearButtonActionPerformed



    private void goButtonActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_goButtonActionPerformed
        if (R2XApp.getApplication().getTimes() > 0){
            R2XApp.getApplication().prepareForAnotherUsage();
            System.gc();
        }
        goButton.setEnabled(false);
        R2XApp.getApplication().getDtdCreator().setOutput(outTextArea);
        R2XApp.getApplication().getDtdCreator().createDTD();

        R2XApp.getApplication().getXmlCreator().setOutput(outTextArea);
        R2XApp.getApplication().getXmlCreator().setRoot(
                R2XApp.getApplication().getDtdCreator().getDtdRootElement());
        new Thread() {
            public void run() {
                R2XApp.getApplication().getXmlCreator().createXML();
        goButton.setEnabled(true);
            }
        }.start();

    }//GEN-LAST:event_goButtonActionPerformed

    private void fileMenuActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_fileMenuActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_fileMenuActionPerformed

    private void exitMenuItemActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_exitMenuItemActionPerformed
        // TODO add your handling code here:
    }//GEN-LAST:event_exitMenuItemActionPerformed

    private void jMenu1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenu1ActionPerformed


    }//GEN-LAST:event_jMenu1ActionPerformed

    private void jMenuItem1ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem1ActionPerformed
        databaseFrame = new SelectDatabaseFrame();
        databaseFrame.show();
    }//GEN-LAST:event_jMenuItem1ActionPerformed

    private void jMenuItem2ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem2ActionPerformed
        selectOutputFrame = new SelectOutputFrame();
        selectOutputFrame.show();
    }//GEN-LAST:event_jMenuItem2ActionPerformed

    private void jMenuItem3ActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jMenuItem3ActionPerformed
        helpFrame = new HelpFrame();
        helpFrame.show();
    }//GEN-LAST:event_jMenuItem3ActionPerformed

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton clearButton;
    private javax.swing.JButton connectButton;
    private javax.swing.JLabel connectionStatusLabel;
    private javax.swing.JButton goButton;
    private javax.swing.JMenu jMenu1;
    private javax.swing.JMenuItem jMenuItem1;
    private javax.swing.JMenuItem jMenuItem2;
    private javax.swing.JMenuItem jMenuItem3;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JPanel mainPanel;
    private javax.swing.JMenuBar menuBar;
    private javax.swing.JTextArea outTextArea;
    private javax.swing.JProgressBar progressBar;
    private javax.swing.JLabel statusAnimationLabel;
    private javax.swing.JLabel statusMessageLabel;
    private javax.swing.JPanel statusPanel;
    // End of variables declaration//GEN-END:variables

    private final Timer messageTimer;
    private final Timer busyIconTimer;
    private final Icon idleIcon;
    private final Icon[] busyIcons = new Icon[15];
    private int busyIconIndex = 0;

    private JDialog aboutBox;
}
